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Finding the Fourth Proportional to 2,550.32, 3,825.05 and 701

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Solution

The fourth proportional to 2,550.32, 3,825.05 and 701 is: 1,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.32 : 3,825.05 = 701 : x
  2. Step 2: Convert to fraction form
    2,550.32/3,825.05 = 701/x
  3. Step 3: Cross multiply
    2,550.32x = 3,825.05 × 701
  4. Step 4: Simplify right side
    2,550.32x = 2,681,356.55
  5. Step 5: Solve for x
    x = 2,681,356.55/2,550.32
  6. Step 6: Final answer
    x = 1,051.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.